when you give the middle finger without holding up your thumb; seen as a rude gesture instead of lighthearted or playful
by PardiB December 9, 2020

His girlfriend got on hers knees and performed oral sex on him whilst putting her thumb up his bum, she called it thumbing
by Stush69 December 9, 2019

by JRhinae August 16, 2016

by Phatho May 20, 2017

When one's hole has been penetrated by another's thumb for pleasure and sensation; similar to fingered
by SidneyOwhh March 13, 2014

john was thumbing his hand console control with vigor through a complicated game level twisting bending steering flexing crooking
by thumper903127 July 11, 2010

1)dude, thumb me the frisbee!
2)i'm thumbing through my history book for the test, but i think i'm gonna flunk.
2)i'm thumbing through my history book for the test, but i think i'm gonna flunk.
by Brah123 December 28, 2005
